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A polarimetric synthetic aperture radar (PolSAR) system, which uses multiple images acquired with different polarizations in both transmission and reception, has the potential to improve the description and interpretation of the observed…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Dehbia Hanis , Luca Pallotta , Augusto Aubry , Aichouche Belhadj-Aissa , Antonio De Maio

Snow depth plays a central role in seasonal snowpack characterization and the terrestrial water cycle, yet remains challenging to estimate at high spatial resolution. Recent studies have shown that repeat-pass interferometric synthetic…

Computational Engineering, Finance, and Science · Computer Science 2026-04-21 Nayan Yadav , Shadi Oveisgharan , Shirin Jalali

Three-dimensional (3-D) synthetic aperture radar (SAR) is widely used in many security and industrial applications requiring high-resolution imaging of concealed or occluded objects. The ability to resolve intricate 3-D targets is essential…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Josiah Smith , Murat Torlak

In current seismic acquisition practice, there is an increasing drive for sparsely (in space) acquired data, often in irregular geometry. These surveys can trade off subsurface information for efficiency/cost - creating a problem of…

Geophysics · Physics 2021-01-26 Dieuwertje Kuijpers , Ivan Vasconcelos , Patrick Putzky

Synthetic aperture radar (SAR) data is becoming increasingly available to a wide range of users through commercial service providers with resolutions reaching 0.5m/px. Segmenting SAR data still requires skilled personnel, limiting the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Xiaying Wang , Lukas Cavigelli , Manuel Eggimann , Michele Magno , Luca Benini

To implement autonomous driving, one essential step is to model the vehicle environment based on the sensor inputs. Radars, with their well-known advantages, became a popular option to infer the occupancy state of grid cells surrounding the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Zihang Wei , Rujiao Yan , Matthias Schreier

In this paper we address the challenge of land cover classification for satellite images via Deep Learning (DL). Land Cover aims to detect the physical characteristics of the territory and estimate the percentage of land occupied by a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Eleonora Bernasconi , Francesco Pugliese , Diego Zardetto , Monica Scannapieco

We consider an Intelligent Reflecting Surface (IRS)-aided multiple-input single-output (MISO) system for downlink transmission. We compare the performance of Deep Reinforcement Learning (DRL) and conventional optimization methods in finding…

Machine Learning · Computer Science 2021-07-27 Amal Feriani , Amine Mezghani , Ekram Hossain

Intelligent reflecting surfaces (IRSs) have recently received significant attention for 6G wireless communications as they enable the control of the wireless propagation environment. The use of IRS also provides reducing the hardware…

Signal Processing · Electrical Eng. & Systems 2025-10-06 Ahmet M. Elbir , Kumar Vijay Mishra

In urban areas, dense buildings frequently block and reflect global positioning system (GPS) signals, resulting in the reception of a few visible satellites with many multipath signals. This is a significant problem that results in…

Machine Learning · Computer Science 2023-06-14 Sanghyun Kim , Jiwon Seo

Building detection from satellite multispectral imagery data is being a fundamental but a challenging problem mainly because it requires correct recovery of building footprints from high-resolution images. In this work, we propose a deep…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Geesara Prathap , Ilya Afanasyev

This paper considers machine learning for physical layer security design for communication in a challenging wireless environment. The radio environment is assumed to be programmable with the aid of a meta material-based intelligent…

Signal Processing · Electrical Eng. & Systems 2021-02-23 Yizhuo Song , Muhammad R. A. Khandaker , Faisal Tariq , Kai-Kit Wong , Apriana Toding

Deep networks are well-known to be fragile to adversarial attacks. We conduct an empirical analysis of deep representations under the state-of-the-art attack method called PGD, and find that the attack causes the internal representation to…

Machine Learning · Computer Science 2019-10-29 Chengzhi Mao , Ziyuan Zhong , Junfeng Yang , Carl Vondrick , Baishakhi Ray

Landslides pose severe threats to infrastructure, economies, and human lives, necessitating accurate detection and predictive mapping across diverse geographic regions. With advancements in deep learning and remote sensing, automated…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Rahul A. Burange , Harsh K. Shinde , Omkar Mutyalwar

Traditional radar imaging methods suffer from the problems of low resolution and poor noise suppression. We propose a new radar imaging method based on Self-supervised deep-learning-assisted compressed sensing (SS-DL-CS-Net). The original…

Image and Video Processing · Electrical Eng. & Systems 2022-08-09 Shaoyin Huang

In this paper, we propose a stereo radargrammetry method using deep learning from airborne Synthetic Aperture Radar (SAR) images. Deep learning-based methods are considered to suffer less from geometric image modulation, while there is no…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Tatsuya Sasayama , Shintaro Ito , Koichi Ito , Takafumi Aoki

Compared to the conventional metasurface design, machine learning-based methods have recently created an inspiring platform for an inverse realization of the metasurfaces. Here, we have used the Deep Neural Network (DNN) for the generation…

Machine Learning · Computer Science 2021-11-10 Fardin Ghorbani , Javad Shabanpour , Sina Beyraghi , Hossein Soleimani , Homayoon Oraizi , Mohammad Soleimani

Deploying deep learning on Synthetic Aperture Radar (SAR) data is becoming more common for mapping purposes. One such case is sea ice, which is highly dynamic and rapidly changes as a result of the combined effect of wind, temperature, and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Morteza Karimzadeh , Rafael Pires de Lima

Deep learning (DL)-based tomographic SAR imaging algorithms are gradually being studied. Typically, they use an unfolding network to mimic the iterative calculation of the classical compressive sensing (CS)-based methods and process each…

Signal Processing · Electrical Eng. & Systems 2022-11-29 Yu Ren , Xiaoling Zhang , Xu Zhan , Jun Shi , Shunjun Wei , Tianjiao Zeng

In recent years, deep learning (DL) has emerged as a promising alternative approach for various seismic processing tasks, including primary estimation (or multiple elimination), a crucial step for accurate subsurface imaging. In geophysics,…

Geophysics · Physics 2025-02-11 Jing Sun , Tiexing Wang , Eric Verschuur , Ivan Vasconcelos